Remove compiler warnings (Linux clang, mostly).

Fix indentation.
Remove unnecessary virtual destructor.
codereview.appspot.com/4965043/



git-svn-id: http://skia.googlecode.com/svn/trunk@2171 2bbb7eff-a529-9590-31e7-b0007b416f81

gpu/src/GrBinHashKey.h

@@ -36,7 +36,7 @@ public:
         return *this;
     }
 
-    virtual ~GrBinHashKey() {
+    ~GrBinHashKey() {
     }
 
     void setKeyData(const uint32_t *data) {

gpu/src/GrGpuFactory.cpp

@@ -22,7 +22,7 @@
 
 GrGpu* GrGpu::Create(GrEngine engine, GrPlatform3DContext context3D) {
 
-    const GrGLInterface* glInterface;
+    const GrGLInterface* glInterface = NULL;
 
     if (kOpenGL_Shaders_GrEngine == engine ||
         kOpenGL_Fixed_GrEngine == engine) {

src/ports/SkFontHost_linux.cpp

@@ -129,7 +129,7 @@ static SkTypeface* find_from_uniqueID(uint32_t uniqueID) {
         }
         curr = curr->fNext;
     }
-    return false;
+    return NULL;
 }
 
 static bool valid_uniqueID(uint32_t uniqueID) {

src/utils/SkParse.cpp

@@ -130,7 +130,7 @@ const char* SkParse::FindHex(const char str[], uint32_t* value)
             *value = n;
         return str;
     }
-    return false;
+    return NULL;
 }
 
 const char* SkParse::FindS32(const char str[], int32_t* value)

src/views/SkView.cpp

@@ -363,7 +363,7 @@ void SkView::Click::copyType(const char type[])
 SkView::Click* SkView::findClickHandler(SkScalar x, SkScalar y)
 {
 	if (x < 0 || y < 0 || x >= fWidth || y >= fHeight) {
-		return false;
+		return NULL;
     }
 
     if (this->onSendClickToChildren(x, y)) {