Getting rid of compile-time warnings

Review URL: https://codereview.appspot.com/6447071

git-svn-id: http://skia.googlecode.com/svn/trunk@4868 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/debugger/SkDebugCanvas.cpp b/debugger/SkDebugCanvas.cpp
index 9819858..5fe1503 100644
--- a/debugger/SkDebugCanvas.cpp
+++ b/debugger/SkDebugCanvas.cpp
@@ -51,7 +51,7 @@
     }
 
     int layer = 0;
-    int prev = bitmap.getColor(0,0);
+    SkColor prev = bitmap.getColor(0,0);
     for (int i = 0; i < index; i++) {
         if (commandVector[i]->isVisible()) {
             commandVector[i]->execute(&canvas);
@@ -67,7 +67,7 @@
 void SkDebugCanvas::drawTo(SkCanvas* canvas, int index) {
     int counter = 0;
     SkASSERT(!commandVector.empty());
-    SkASSERT(index < commandVector.size());
+    SkASSERT(index < (int)commandVector.size());
     for (int i = 0; i <= index; i++) {
         if (i == index && fFilter) {
             SkPaint p;
@@ -90,17 +90,17 @@
 }
 
 SkDrawCommand* SkDebugCanvas::getDrawCommandAt(int index) {
-    SkASSERT(index < commandVector.size());
+    SkASSERT(index < (int)commandVector.size());
     return commandVector[index];
 }
 
 std::vector<std::string>* SkDebugCanvas::getCommandInfoAt(int index) {
-    SkASSERT(index < commandVector.size());
+    SkASSERT(index < (int)commandVector.size());
     return commandVector[index]->Info();
 }
 
 bool SkDebugCanvas::getDrawCommandVisibilityAt(int index) {
-    SkASSERT(index < commandVector.size());
+    SkASSERT(index < (int)commandVector.size());
     return commandVector[index]->isVisible();
 }
 
@@ -266,6 +266,6 @@
 }
 
 void SkDebugCanvas::toggleCommand(int index, bool toggle) {
-    SkASSERT(index < commandVector.size());
+    SkASSERT(index < (int)commandVector.size());
     commandVector[index]->setVisible(toggle);
 }