Remove 'String::append' from some of the blink source.

Source/core/html/canvas/WebGLRenderingContext.cpp

Index: Source/core/html/canvas/WebGLRenderingContext.cpp
diff --git a/Source/core/html/canvas/WebGLRenderingContext.cpp b/Source/core/html/canvas/WebGLRenderingContext.cpp
old mode 100644
new mode 100755
index 34518a4a7716693788ddbe93124c86e9ce7e2ca2..6984f7dd17cd7b77ca5d08461ad09fbe72a1aa02
--- a/Source/core/html/canvas/WebGLRenderingContext.cpp
+++ b/Source/core/html/canvas/WebGLRenderingContext.cpp
@@ -2687,11 +2687,8 @@ WebGLGetInfo WebGLRenderingContext::getUniform(WebGLProgram* program, const WebG
         // If it's an array, we need to iterate through each element, appending "[index]" to the name.
         for (GC3Dint index = 0; index < info.size; ++index) {
             String name = info.name;
-            if (info.size > 1 && index >= 1) {
-                name.append('[');
-                name.append(String::number(index));
-                name.append(']');
-            }
+            if (info.size > 1 && index >= 1)
+                name = info.name + "[" + String::number(index) + "]";
             // Now need to look this up by name again to find its location
             GC3Dint loc = m_context->getUniformLocation(objectOrZero(program), name);
             if (loc == location) {