Remove unnecessary `explicit` qualifiers on constructors.

Change-Id: Id12e392ad50f66a6e2251a68662b7959315dc567
diff --git a/compiler/jni/quick/arm/calling_convention_arm.h b/compiler/jni/quick/arm/calling_convention_arm.h
index dbecb8e..35b5093 100644
--- a/compiler/jni/quick/arm/calling_convention_arm.h
+++ b/compiler/jni/quick/arm/calling_convention_arm.h
@@ -48,7 +48,7 @@
 
 class ArmJniCallingConvention FINAL : public JniCallingConvention {
  public:
-  explicit ArmJniCallingConvention(bool is_static, bool is_synchronized, const char* shorty);
+  ArmJniCallingConvention(bool is_static, bool is_synchronized, const char* shorty);
   ~ArmJniCallingConvention() OVERRIDE {}
   // Calling convention
   ManagedRegister ReturnRegister() OVERRIDE;
diff --git a/compiler/jni/quick/arm64/calling_convention_arm64.h b/compiler/jni/quick/arm64/calling_convention_arm64.h
index 9fd3265..37c92b2 100644
--- a/compiler/jni/quick/arm64/calling_convention_arm64.h
+++ b/compiler/jni/quick/arm64/calling_convention_arm64.h
@@ -48,7 +48,7 @@
 
 class Arm64JniCallingConvention FINAL : public JniCallingConvention {
  public:
-  explicit Arm64JniCallingConvention(bool is_static, bool is_synchronized, const char* shorty);
+  Arm64JniCallingConvention(bool is_static, bool is_synchronized, const char* shorty);
   ~Arm64JniCallingConvention() OVERRIDE {}
   // Calling convention
   ManagedRegister ReturnRegister() OVERRIDE;
diff --git a/compiler/jni/quick/calling_convention.h b/compiler/jni/quick/calling_convention.h
index c9b595a..243d124 100644
--- a/compiler/jni/quick/calling_convention.h
+++ b/compiler/jni/quick/calling_convention.h
@@ -348,8 +348,8 @@
     kObjectOrClass = 1
   };
 
-  explicit JniCallingConvention(bool is_static, bool is_synchronized, const char* shorty,
-                                size_t frame_pointer_size)
+  JniCallingConvention(bool is_static, bool is_synchronized, const char* shorty,
+                       size_t frame_pointer_size)
       : CallingConvention(is_static, is_synchronized, shorty, frame_pointer_size) {}
 
   // Number of stack slots for outgoing arguments, above which the handle scope is
diff --git a/compiler/jni/quick/mips/calling_convention_mips.h b/compiler/jni/quick/mips/calling_convention_mips.h
index 8d82dce..dc45432 100644
--- a/compiler/jni/quick/mips/calling_convention_mips.h
+++ b/compiler/jni/quick/mips/calling_convention_mips.h
@@ -48,7 +48,7 @@
 
 class MipsJniCallingConvention FINAL : public JniCallingConvention {
  public:
-  explicit MipsJniCallingConvention(bool is_static, bool is_synchronized, const char* shorty);
+  MipsJniCallingConvention(bool is_static, bool is_synchronized, const char* shorty);
   ~MipsJniCallingConvention() OVERRIDE {}
   // Calling convention
   ManagedRegister ReturnRegister() OVERRIDE;
diff --git a/compiler/jni/quick/mips64/calling_convention_mips64.h b/compiler/jni/quick/mips64/calling_convention_mips64.h
index dc9273b..3d6aab7 100644
--- a/compiler/jni/quick/mips64/calling_convention_mips64.h
+++ b/compiler/jni/quick/mips64/calling_convention_mips64.h
@@ -48,7 +48,7 @@
 
 class Mips64JniCallingConvention FINAL : public JniCallingConvention {
  public:
-  explicit Mips64JniCallingConvention(bool is_static, bool is_synchronized, const char* shorty);
+  Mips64JniCallingConvention(bool is_static, bool is_synchronized, const char* shorty);
   ~Mips64JniCallingConvention() OVERRIDE {}
   // Calling convention
   ManagedRegister ReturnRegister() OVERRIDE;
diff --git a/compiler/jni/quick/x86/calling_convention_x86.h b/compiler/jni/quick/x86/calling_convention_x86.h
index b1b3598..cdf0956 100644
--- a/compiler/jni/quick/x86/calling_convention_x86.h
+++ b/compiler/jni/quick/x86/calling_convention_x86.h
@@ -26,8 +26,7 @@
 
 class X86ManagedRuntimeCallingConvention FINAL : public ManagedRuntimeCallingConvention {
  public:
-  explicit X86ManagedRuntimeCallingConvention(bool is_static, bool is_synchronized,
-                                              const char* shorty)
+  X86ManagedRuntimeCallingConvention(bool is_static, bool is_synchronized, const char* shorty)
       : ManagedRuntimeCallingConvention(is_static, is_synchronized, shorty, kFramePointerSize),
         gpr_arg_count_(0) {}
   ~X86ManagedRuntimeCallingConvention() OVERRIDE {}
@@ -51,7 +50,7 @@
 
 class X86JniCallingConvention FINAL : public JniCallingConvention {
  public:
-  explicit X86JniCallingConvention(bool is_static, bool is_synchronized, const char* shorty);
+  X86JniCallingConvention(bool is_static, bool is_synchronized, const char* shorty);
   ~X86JniCallingConvention() OVERRIDE {}
   // Calling convention
   ManagedRegister ReturnRegister() OVERRIDE;
diff --git a/compiler/jni/quick/x86_64/calling_convention_x86_64.h b/compiler/jni/quick/x86_64/calling_convention_x86_64.h
index 7a90c6e..6e47c9f 100644
--- a/compiler/jni/quick/x86_64/calling_convention_x86_64.h
+++ b/compiler/jni/quick/x86_64/calling_convention_x86_64.h
@@ -26,8 +26,7 @@
 
 class X86_64ManagedRuntimeCallingConvention FINAL : public ManagedRuntimeCallingConvention {
  public:
-  explicit X86_64ManagedRuntimeCallingConvention(bool is_static, bool is_synchronized,
-                                              const char* shorty)
+  X86_64ManagedRuntimeCallingConvention(bool is_static, bool is_synchronized, const char* shorty)
       : ManagedRuntimeCallingConvention(is_static, is_synchronized, shorty, kFramePointerSize) {}
   ~X86_64ManagedRuntimeCallingConvention() OVERRIDE {}
   // Calling convention
@@ -47,7 +46,7 @@
 
 class X86_64JniCallingConvention FINAL : public JniCallingConvention {
  public:
-  explicit X86_64JniCallingConvention(bool is_static, bool is_synchronized, const char* shorty);
+  X86_64JniCallingConvention(bool is_static, bool is_synchronized, const char* shorty);
   ~X86_64JniCallingConvention() OVERRIDE {}
   // Calling convention
   ManagedRegister ReturnRegister() OVERRIDE;